/*
 * Copyright © ${year} ${owner} (${email})
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jd.live.agent.governance.probe;

/**
 * A detect task that tests connectivity to servers.
 * Requires consecutive successful checks to confirm recovery.
 */
public class FailoverRecoverTask extends AbstractDetectTask {

    private final String address;

    public FailoverRecoverTask(String address, HealthProbe probe, int successThreshold, DetectTaskListener runnable) {
        super(probe, successThreshold, 0, true, runnable);
        this.address = address;
    }

    @Override
    public Boolean call() {
        switch (detect(address)) {
            case SUCCESS_EXCEEDED:
                onSuccess();
                return true;
            case FAILURE_MAX_RETRIES:
                onFailure();
                return true;
            case SUCCESS_BELOW:
            case FAILURE:
            default:
                return false;
        }
    }
}
